alias is not a valid Plugin property while using doc-development babel env

[francisrod01]

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Hey everyone, I'm trying to create a project from scratch following this repo, but to use only onepirate theme. It's ALL OK, but when I browser to /sign-in/ and refresh the page, all routes are available only if I remove the last "/".

Can you help me about this experience?
I guess you guys already have tried to use just a premium-template with next.js and type-script, right?

> rimraf node_modules/.cache/babel-loader && cross-env BABEL_ENV=docs-development node ./src/server.js

Defining routes from exportPathMap
> Using "webpackDevMiddleware" config function defined in next.config.js.
> Using external babel configuration
> Location: "/home/paneladm/react-website/babel.config.js"
[ error ] ./node_modules/next-server/dist/lib/data-manager-context.js
Error: [BABEL] /home/paneladm/projects/react-website/node_modules/next-server/dist/lib/data-manager-context.js: .alias is not a valid Plugin property
    at Array.forEach (<anonymous>)
    at Array.reduce (<anonymous>)
INFO 26625 http: ready on http://localhost:3000 and http://192.168.0.113:3000
^C

Envs:

• npm: 6.9.0
• node: v10.15.3
• react: 16.8.6
• react-dom: 16.8.6
• next: 8.1.0
• @material-ui/core: 4.1.3
• babel-loader: 8.0.6

package.json scripts

"dev": "rimraf node_modules/.cache/babel-loader && cross-env BABEL_ENV=docs-development node ./src/server.js",

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[oliviertassinari]

@francisrod01 I'm closing for #14604. I believe that the pain point is identical, the free full theme examples we host on the repository are not straightforward to use. They require too much knowledge.

[francisrod01]

Hey @oliviertassinari, thanks for answer this issue.
I don't think so, it's not too hard to use with the projects from scratch, like the projects in the examples folder. We can do it! I could help.

I found this problem about the last slash in all links on the browser and we need to solve it in the premium-themes or maybe creating a helper to that as a theme module.

[oliviertassinari]

@francisrod01 I'm confused, you are mentioning a Babel issue in the title of the issue.
Is the last slash issue you are mentioning something different, what's the problem about?

[francisrod01]

Sorry, i can explain that. After the slash issue, I've tried to sue the babel command to run the application, but I also needed to use some modules from the material-ui project, like helpers, log, handleKillSignals.js, etc, and this issue is related about a babel configuration to run as doc-development environment.